Cotton road Running between Gratiot and Jefferson. When you first turn off from Gratiot onto cotton rd. (heading East) there is a stretch of road that runs to the I94 over pass. There is no posted speed limit until you get to the bridge. The Bridge has a reduce speed to 35mph at the top. This is the point they will pull you over if you are going over 35. Usually the cop follows you from behind at the begining of Cotton Rd. up to the reduce speed sign. I know this because I had a cop follow me up to the sign, when I didn’t go faster than 35 he turned around and went back.